| Index: cc/output/gl_renderer_draw_cache.h
|
| diff --git a/cc/output/gl_renderer_draw_cache.h b/cc/output/gl_renderer_draw_cache.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..a16c8a5bde8bf122d9f36c8e2032076851c066ac
|
| --- /dev/null
|
| +++ b/cc/output/gl_renderer_draw_cache.h
|
| @@ -0,0 +1,57 @@
|
| +// Copyright 2012 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +#ifndef CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_
|
| +#define CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_
|
| +
|
| +#include <vector>
|
| +
|
| +#include "base/basictypes.h"
|
| +#include "third_party/skia/include/core/SkColor.h"
|
| +
|
| +namespace cc {
|
| +
|
| +// Collects 4 floats at a time for easy upload to GL.
|
| +struct Float4 {
|
| + float data[4];
|
| +};
|
| +
|
| +// Collects 16 floats at a time for easy upload to GL.
|
| +struct Float16 {
|
| + float data[16];
|
| +};
|
| +
|
| +// A cache for storing textured quads to be drawn. Stores the minimum required
|
| +// data to tell if two back to back draws only differ in their transform. Quads
|
| +// that only differ by transform may be coalesced into a single draw call.
|
| +struct TexturedQuadDrawCache {
|
| + TexturedQuadDrawCache();
|
| + ~TexturedQuadDrawCache();
|
| +
|
| + // Values tracked to determine if textured quads may be coalesced.
|
| + int program_id;
|
| + int resource_id;
|
| + bool needs_blending;
|
| + bool nearest_neighbor;
|
| + SkColor background_color;
|
| +
|
| + // Information about the program binding that is required to draw.
|
| + int uv_xform_location;
|
| + int background_color_location;
|
| + int vertex_opacity_location;
|
| + int matrix_location;
|
| + int sampler_location;
|
| +
|
| + // A cache for the coalesced quad data.
|
| + std::vector<Float4> uv_xform_data;
|
| + std::vector<float> vertex_opacity_data;
|
| + std::vector<Float16> matrix_data;
|
| +
|
| + private:
|
| + DISALLOW_COPY_AND_ASSIGN(TexturedQuadDrawCache);
|
| +};
|
| +
|
| +} // namespace cc
|
| +
|
| +#endif // CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_
|
|
|